<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>登录</title>
    <base href="/servlet3/">
    <style type="text/css">
        section {
            margin: auto;
            padding: 10px;
            outline: 1px solid red;
        }
    </style>
</head>
<body>

<section>
    <form action="account" method="post">
        <input type="hidden" name="meta" value="login">
        <label for="username-ipt1">账号：</label>
        <input id="username-ipt1" name="username">

        <label for="password-ipt1">账号：</label>
        <input id="password-ipt1" type="password" name="password">

        <button type="submit">登录</button>
    </form>
</section>
<br/>
<section>
    <form action="servlet/forward" method="post">
        <input type="hidden" name="meta" value="login">
        <label for="username-ipt2">账号：</label>
        <input id="username-ipt2" name="username">

        <label for="password-ipt2">账号：</label>
        <input id="password-ipt2" type="password" name="password">

        <button type="submit">登录</button>
    </form>
</section>
<br/>
<section>
    <form action="servlet/redirect" method="post">
        <input type="hidden" name="meta" value="login">
        <label for="username-ipt3">账号：</label>
        <input id="username-ipt3" name="username">

        <label for="password-ipt3">账号：</label>
        <input id="password-ipt3" type="password" name="password">

        <button type="submit">登录</button>
    </form>
</section>

</body>
</html>